Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
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ROHM(罗姆)作为日系知名半导体厂商,其推出的LTR18EZPJ7R5属于厚膜贴片电阻系列,定位为小体积、中等功率的通用型电阻。该型号采用0612封装(对应尺寸约0.6mm×1.2mm,英制规格),是罗姆针对高密度PCB设计优化的小型化封装之一,兼顾紧凑性与功率承载能力,适配消费电子、工业控制等多领域的轻薄化设备需求。
LTR18EZPJ7R5的核心电气参数明确了其应用边界,具体如下:
该电阻采用厚膜丝网印刷工艺:以陶瓷基底为载体,通过高精度丝网印刷电阻浆料(如钌系浆料),经高温烧结成型,相比薄膜电阻具有以下优势:
可靠性方面,罗姆对该系列电阻进行了严格测试:通过JIS C 5201、IEC 60115等国际标准的温度循环(-55℃~+155℃循环1000次)、湿度测试(85℃/85%RH下1000小时)、负载寿命测试(额定功率下1000小时阻值变化≤±1%),确保长期恶劣环境下的稳定性。
结合参数特性,LTR18EZPJ7R5的核心应用场景包括:
LTR18EZPJ7R5凭借小体积、中等功率、宽温稳定等特性,成为罗姆厚膜贴片电阻系列中的通用型主力型号,可覆盖多领域的常规电阻需求,是工业与消费电子设计的可靠选择。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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